Welcome to the official 4DDiG File Repair User Guide. Learn how this AI-powered software can help you repair corrupted files, improve the quality of compromised videos and images, and colorize your black-and-white videos and photos in a couple of clicks.

4DDiG File Repair Guide

1.1 Repair Corrupted Videos

4DDiG File Repair enables you to fix corrupted or unplayable video files, making them playable again. If your videos are not playing, won't open, display error codes, or show a black screen, you can use the Corrupted File Repair feature to resolve these issues. Simply download and install the software on your Windows or Mac computer, then follow these easy steps:

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  • Step 1.Select a Repair Option

    Launch 4DDiG File Repair and choose "Video Repair" from the Corrupted File Repair menu to get started.

    corrupted file repair interface
  • Step 2.Add Corrupted Videos

    Click "Add Videos" and select one or multiple corrupted video files from your computer.

    add corrupted videos to repair
  • Step 3.Start Video Repair

    Once your videos are added, click the "Repair All" button and let the tool repair them one by one.

    start video repair
  • Step 4.Preview Repaired Videos

    After the repair completes, you can preview the repaired videos by clicking the "Preview" button.

    video repair complete

    Play each of the repaired video to make sure they are working properly.

    preview repaired video
  • Step 5.Save Repaired Videos

    Save the repaired files to your desired location on your computer. You may either click the "Save" button for each video individually or click "Save All" to export all the repairted videos at one go.

    save repaired video

    Video Repair Tutorial

1.2 Repair Damaged Photos

4DDiG File Repair makes it easy to fix corrupted, damaged or broken photos. Whether your photos won't open properly, display distortion or appear greyed-out, or even if they have corrupt headers, this tool can effectively fix these issues. It supports various image formats like JPG, JPEG, PNG, CR2, and more. To repair your photos, you can install 4DDiG File Repair on your computer and follow these steps.

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  • Step 1.Select a Repair Option

    Launch 4DDiG File Repair and choose "Photo Repair" from the Corrupted File Repair menu to get started.

    corrupted file repair interface
  • Step 2.Add Corrupted Photos

    Click "Add photos" or simply drag and drop the damaged photos onto the designated area.

    add corrupted photos to repair
  • Step 3.Start Photo Repair

    Once you've added the damaged photos, click "Repair All" and let the tool start processing your repair request.

    start photo repair
  • Step 4.Preview the Repaired Photos

    Once the repair is complete, you can check the repaired photos by clicking the "Preview" button.

    photo repair complete

    Preview each repaired photo to verify that they no longer appear distorted, blurry, pixelated, or greyed-out.

    preview repaired photos
  • Step 5.Save Repaired Photos

    Click the “Save All” button and choose the destination folder where you want to save the repaired images. You can click on "Open Folder" to navigate to the repaired file's location on your computer.

    save repaired photos

    Photo Repair Tutorial

1.3 Repair Corrupted Files

4DDiG File Repair allows you to repair corrupted office documents, Adobe files, ZIP files, and other types of files. Specifically, it supports formats such as DOCX, DOC, XLSX, XLS, PPTX, PPT, PDF, PSD, PSB, AI, AE, EPUB, and more. Follow this guide and learn how to fix files that won't open, show blank pages, or display gibberish in just seconds. To get started, download and install 4DDiG File Repair on your computer.

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Repair Office Documents

  • Step 1.Select a Repair Option

    Launch 4DDiG File Repair and choose "File Repair" from the Corrupted File Repair menu to get started.

    corrupted file repair interface
  • Step 2.Add Corrupted Files

    Click "Add Files" to upload one or more corrupted files from your computer. Supported formats include DOC, DOCX, XLS, XLSX, PPT, PPTX, RTF, ZIP, and so on.

    add corrupted files to repair
  • Step 3.Start File Repair

    After adding your files, click "Repair All" and the tool will begin analyzing and repairing any detected errors or corruption.

    start office file repair
  • Step 4.Preview Repaired Files

    Once the repair is complete, you can check the repaired files by clicking the "Preview" button.

    office file repair complete

    Preview each repaired file to ensure they are fully restored and ready for use.

    preview repaired word file
    Note:

    The preview option will show only the first page of the repaired file. To access the full content, you'll need to save the file locally.

    Preview repaired excel file

    preview repaired excel file

    Preview repaired powerpoint file

    preview repaired powerpoint file
  • Step 5.Save Repaired Files

    Click the "Save" button next to the file you want to keep, or click "Save All" to store all repaired files at once. Choose a suitable location on your computer for easy access later.

    save repaired office files

    File Repair Tutorial

Repair Adobe Files

  • Step 1.Select a Repair Option

    Launch 4DDiG File Repair and choose "File Repair" from the Corrupted File Repair menu to get started.

    corrupted file repair interface
  • Step 2.Add Corrupted Files

    Click "Add Files" to upload one or more corrupted files from your computer. Supported formats include PDF, PSB, PSD, AI, AE, etc.

    add corrupted files to repair
  • Step 3.Start File Repair

    After adding your files, click "Repair All" and the tool will begin analyzing and repairing any detected errors or corruption.

    start adobe file repair
  • Step 4.Preview Repaired Files

    Once the repair is complete, you can check the repaired files by clicking the "Preview" button.

    adobe file repair complete

    Preview each repaired file to ensure they are fully restored and ready for use.

    preview repaired pdf files
    Note:

    The preview option will show only the first page of the repaired file. To access the full content, you'll need to save the file locally.

    Preview repaired AI files

    preview repaired ai files
  • Step 5.Save Repaired Files

    Click the "Save" button next to the file you want to keep, or click "Save All" to store all repaired files at once. Choose a suitable location on your computer for easy access later.

    save repaired adobe files

    File Repair Tutorial

1.4 Repair Unplayable Audio

With 4DDiG File Repair, you can easily fix uplayable or corrupted audio files and address issues such as distortion, static, pops, and clicks. Whether your files are in MP3, WAV, M4A, AAC, or other formats, our audio repair tool has you covered. This guide provides detailed instructions on how to repair auido without losing quality. To get started, download and install 4DDiG File Repair on your computer.

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  • Step 1.Select a Repair Option

    Launch 4DDiG File Repair and choose "Audio Repair" from the Corrupted File Repair menu to get started.

    corrupted file repair interface
  • Step 2.Add Unplayable Audio to Repair

    Click "Add Audio" to upload the corrupted audio file you want to repair. Supported formats include MP3, M4A, AAC, and more.

    add corrupted audio to repair
  • Step 3.Start Audio Repair

    Click on the “Repair All” button and the tool will analyze and start repairing the audio file to remove any crackling, popping sounds, or other issues.

    start audio repair
  • Step 4.Preview Repaired Audio Files

    Once the repair process is complete, the tool will display a summary and allow you to listen to a preview of the repaired audio.

    audio repair complete

    Listen to each repaired audio file to ensure that the crackling, popping sounds, or any other issues have been effectively removed.

    preview repaired audio
  • Step 5.Save Repaired Audio Files

    Click the "Save" button next to the audio file you want to keep, or click "Save All" to store all the repaired audio at once. Choose a suitable location on your computer for easy access later.

    save repaired audio

    File Repair Tutorial

    e>

2.1 Enhance Video Quality

4DDiG File Repair goes beyond mere file repair—it doubles as an AI video enhancer, capable of upscaling and improving any blurry, noisy, or low-resolution videos to HD, 4K, and even 8K resolution. Whether you're restoring old family videos or refining recent footage, it ensures every detail is brought to life with stunning clarity and fidelity. Follow this guide to learn how to enhance video quality with AI. To get started, download and install the software on your computer.

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  • Step 1.Select Video Enhancer

    Launch the 4DDiG File Repair software. Navigate to "AI Enhancer" on the left sidebar and then click on the "Video Enhancer" option.

    ai enhancer interface
  • Step 2.Add Videos to Enhance

    Click "Add Videos" to choose the videos you want to enhance from your computer, or simply drag and drop them into the software window.

    add videos to enhance
  • Step 3.Select AI Model & Output Resolution

    There are three AI models tailored for various video enhancement needs: General Model, Anime Model, and Face Model. Select your desired model, adjust the output file's resolution if needed, and then click "Enhance".

    select ai model for enhancing videos
  • Each AI model has its own strengths and is suitable for different types of videos. Here's a brief overview of each model:

    • General Model: Designed for enhancing a wide variety of videos, including landscape, animal, travel, and event footage, this model improves the overall quality by refining details, reducing noise, and enhancing clarity.
    • Anime Model: Tailored for anime or cartoon-style videos, this model sharpens lines, enhances colors, and improves the overall visual quality of anime to make it look more smooth and vibrant.
    • Face Model: Ideal for videos focusing on faces, like vlogs or interviews, this model works to enhance facial details, improve skin textures and make faces appear more detailed and clear.
  • Step 4.Build AI Model and Enhance Videos

    The tool will start building the selected AI model and apply it to enhance your video. Wait patiently for it to remove noise, sharpen details, and improve the overall clarity.

    building ai model for video enhancement

    Once done, you'll be presented with a preview of the initial 10 improved frames.

    enhancing videos
  • Step 5:Preview & Save Enhanced Videos

    Adjust the view and zoom to inspect the results. If the output is not what you expected, try different AI models or adjust the resolution to re-enhance your video. Once satisfied with the settings and preview, click "Save" to save the enhanced footage to your computer.

    preview and save enhanced videos

    Enhanced Video with the General Model:

    enhanced video with the general model

    Enhanced Video with the Anime Model:

    enhanced video with the anime model
  • AI Video Enhancer Tutorial

2.2 Enhance Photo Quality

With 4DDiG File Repair, enhancing photo quality has never been such easier. It can upscale, sharpen and enhance every detail of your low-quality photos. Whether you're looking to make blurry photos clear, improve the clarity of low-resolution images, or refine your recent photos, this AI photo enhancer will meet all your needs. You can follow these steps to enhance photo quality in an instant. To get started, download and install the software on your computer.

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  • Step 1.Select Photo Enhancer

    Launch the 4DDiG File Repair software. Navigate to "AI Enhancer" on the left sidebar and then click on the "Photo Enhancer" option.

    ai enhancer interface
  • Step 2.Add Photos to Enhance

    Click "Add Photos" to choose the blurry, low-resolution or bad-quality images you want to enhance from your computer, or simply drag and drop them into the software window.

    add photos to enhance
  • Step 3.Select AI Model & Output Resolution

    The tool offers three AI models: General Model, Denoise Model, and Face Model, each designed for specific photo types. Choose the model that best suits your needs, adjust the resolution if necessary, and click "Enhance".

    select ai model for enhancing photos
  • Each AI model has its own strengths and is suitable for different types of photos. Here's a brief overview of each model:

    • General Model: Suitable for all types of images, including natural landscapes, buildings, animals, etc. It focuses on improving overall image quality by adjusting brightness, contrast, and color balance, sharpening details, and reducing general imperfections.
    • Denoise Model: Specialized in reducing noise in images, removing unwanted artifacts such as grain and color distortion in low-light conditions or high ISO settings. Suitable for night shots, indoor photos, or images with noise.
    • Face Model: Ideal for professional portraits, group photos, and any image where facial clarity and expression are paramount. It can optimize and refine facial features, skin tones, and overall clarity.
  • Step 4.Build AI Model and Enhance Photos

    The tool will start building the selected AI model and apply it to enhance your blurry, low-resolution or bad-quality image.

    building ai model for photo enhancement

    Wait patiently for the tool to remove noise, sharpen details, and improve the overall clarity of your photos.

    building ai model for photo enhancement
  • Step 5.Preview & Save Enhanced Photos

    Adjust the view and zoom to inspect the enhanced image. If the output is not what you expected, try different AI models or adjust the resolution to re-enhance your photo. Once satisfied with the settings and preview, click Save to export the final output.

    preview and save enhanced photos

    Enhanced Image with the General Model:

    enhanced video with the general model

    Enhanced Image with the Denoise Model:

    enhanced image with the denoise model
  • AI Photo Enhancer Tutorial

2.3 Colorize B&W Videos

Don't let your precious memories fade away. With 4DDiG File Repair's colorization feature, you can restore your old black and white videos to their former glory. This powerful AI video colorizer can automatically add natural and realistic colors to your video files, bringing back lost details and textures. Whether you're working on historical films or family archives, you can easily colorize your black and white videos. Before you start, download and install the software on your computer.

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  • Step 1.Select Video Colorizer

    Launch the 4DDiG File Repair software. Navigate to "AI Enhancer" on the left sidebar and then click on the "Video Colorizer" option.

    ai enhancer interface
  • Step 2.Add Black and White Videos

    Click the "Add Videos" button or drag and drop your black-and-white videos to import them for colorization.

    add videos to colorize
  • Step 3.Select AI Model & Output Resolution

    Select a desired AI model and resolution for your videos to be colorized, and click "Colorize" to begin the process.

    select ai model for colorizing videos
  • Step 4.Build AI Model & Colorize Videos

    The AI tool will automatically analyze and add color to your footage, and generate a preview of the colorized video. Wait patiently as the auto colorization process may take some time, depending on the length and complexity of your video.

    building ai model for video colorization
  • Step 5:Preview & Save Colorized Videos

    Inspect the colorization quality and make further adjustments if necessary. When you're done with your video, click "Save" and choose a location for saving the colorized videos. Wait for the AI Colorizer to process the entire video and save them to your computer.

    preview and save colorized videos
  • AI Colorize B&W Videos Tutorial

2.4 Colorize B&W Photos

Bring your old black-and-white photos back to life with 4DDiG File Repair! This AI-powered photo colorizer can add vibrant colors to your images in just a few simple steps. Whether it’s a family portrait, landscape, or candid snapshot, your photos will look as vivid as the day they were taken. Download and install the software to get started.

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  • Step 1.Select Photo Colorizer

    Launch the 4DDiG File Repair software. Navigate to "AI Enhancer" on the left sidebar and then click on the "Photo Colorizer" option.

    ai enhancer interface
  • Step 2.Add Black and White Photos

    Click on "Add Photos" to upload your black and white images or drag and drop them directly into the interface.

    add photos to colorize
  • Step 3.Select AI Model & Output Resolution

    Select a desired AI model and resolution for your images to be colorized, and click "Colorize" to begin the process.

    select ai model for colorizing photos
  • Step 4.Build AI Model & Colorize Photos

    Select a desired AI model and resolution for the output colorized image, and click "Colorize" to begin the process.

    building ai model for photo colorization
  • Step 5.Preview & Save Colorized Photos

    Inspect the colorization quality and make further adjustments if necessary. When you're done with all your photos, click the "Save" button to export the colorized photos. You can click on "Open Folder" to navigate to the repaired file's location on your computer.

    preview and save colorized photos
  • AI Colorize B&W Photos Tutorial